2SD1818-AZ

Single Bipolar Transistors Overview

The 2SD1818-AZ is an NPN silicon power transistor manufactured by Renesas Electronics Corporation. It features a maximum collector current of 3 A, a collector-emitter voltage rating of 60 V, and a power dissipation capacity of 1.3 W. The device utilizes a TO-126 through-hole package with four pins. Key electrical characteristics include a minimum DC current gain (hFE) of 100 and a transition frequency (fT) of 150 MHz. It operates at a maximum junction temperature of 150 °C and complies with RoHS standards.

Single Bipolar Transistors Feature Summary

• Low saturation voltage for efficient switching
• Wide Safe Operating Area (SOA)
• High current capability

Single Bipolar Transistors Applications

• DC-DC converter circuits
• Solenoid driver applications
• Motor driver circuits

Single Bipolar Transistors Procurement Notes

Verify the manufacturer designation on the component marking against Renesas Electronics Corporation specifications to ensure authenticity. Confirm that the package type matches the required TO-126 form factor for your PCB layout. Check datasheet revisions for any updates regarding thermal resistance or pin configuration before finalizing the design.

Single Bipolar Transistors Selection Notes

Select this component when a high-current NPN switch with low saturation voltage is required. Ensure the application current does not exceed 3 A and the voltage stress remains below 60 V. Consider the thermal management requirements for the TO-126 package if operating near the 1.3 W dissipation limit.

Single Bipolar Transistors Part Context

This part belongs to the 2SD1818 series of bipolar junction transistors designed for power switching applications. The 'AZ' suffix typically indicates specific manufacturing lot or packaging details defined by the supplier. It serves as a robust alternative for general-purpose power switching tasks in consumer electronics and industrial control systems.

Single Bipolar Transistors Replacement Considerations

The 2SD1818-L-AZ is a documented variant within the same family offering similar electrical characteristics. Verify pinout compatibility and thermal performance when substituting.